ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1904

-4-3-2-11234

Oregon (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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September - November 1904 Oregon Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Coastal Area	-0.53	-0.54	45	0.00
2. Willamette Valley	-0.76	-0.79	31	0.03
3. Southwestern Valleys	-0.91	-0.89	27	-0.02
4. Northern Cascades	-1.06	-1.08	18	0.02
5. High Plateau	-1.10	-1.12	27	0.02
6. North Central	-1.27	-1.34	15	0.07
7. South Central	-0.71	-0.78	34	0.07
8. Northeast	-1.35	-1.36	18	0.01
9. Southeast	-0.13	-0.11	63	-0.02

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 27, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping